Collaborative Robots
Choosing a Cobot Gripper: Stroke, Force, Cycle Life
Size the gripper on holding force under acceleration, not on part weight. A 2 kg part in a friction grip with a coefficient of 0.2,...
Section 02
Collaborative Robots
Cobots, contact limits and the paperwork that decides whether the fence comes down.
Collaborative Robots
Cobot Payload Classes from 3 kg to 30 kg, Compared
Pick the class by gripper plus part plus safety margin, not by part weight. A 5 kg cobot handling a 3 kg part with a 1.8 kg gripper is...
Collaborative Robots
Hand Guiding, Teach Pendant, Offline: Which Is Fastest
For a task with fewer than about 30 waypoints, hand guiding is fastest, often finishing in 15 to 40 minutes. Between 30 and 200 waypoints...
Collaborative Robots
Cobot Risk Assessment: The Steps Auditors Check
A collaborative risk assessment is the same ISO 12100 process every machine gets, with one extra loop: after choosing protective measures...
Collaborative Robots
What a Cobot Costs in Its First Year
Budget 2.5 to 4 times the arm price for the first year. A collaborative arm in the 5 kg to 10 kg class typically lists between 20,000 and...
Collaborative Robots
Cobot vs Industrial Robot: What Actually Differs
A cobot is an industrial robot. Both fall under the same safety standard, ISO 10218, and the only thing that separates them is whether the...
Collaborative Robots
When Is a Cobot Allowed to Run Without a Fence?
Never because of the machine, only because of the application. A collaborative arm may run without fixed guarding when a documented risk...
Collaborative Robots
ISO/TS 15066 Force Limits: The Table That Decides Your Cell
A collaborative robot may press against a human hand with 140 N in a clamping situation and up to 300 N/cm² at the fingertip, while the...
Collaborative Robots
Power and Force Limiting: The Four Collaborative Modes
There are exactly four collaborative operation types, and only one of them permits the robot to touch a moving person. Safety-rated...
Collaborative Robots
Why Cobots Run Slower and What That Costs You
A collaborative cell is slower because the permissible tool speed is set by the energy a human body region can absorb, not by the motors....